#ifndef __KLASS_H__
#define __KLASS_H__

#include <string>
#include "Common.h"

class Klass{
    public:
        Klass(size_t number);
        friend std::string operator+(const std::string &lhs, const Klass &klass);
        bool operator==(const Klass &klass);
        void AssignLeader(Student &student);
        bool HasLeader(Student &student);
    private:
        size_t number;
        Student *leader;
};

std::string operator+(const std::string &lhs, const Klass &klass);

#endif /* __KLASS_H__ */